Popular Blue Nile Promo Codes & Sales
| Discount | Description | Coupon | Expires |
|---|---|---|---|
| $100 Off | $100 Off Select Jewelry Purchases Over $300 at Blue Nile | august19 | October 2025 |
| Up to 40% Off | Up to 40% Off Holiday Gifts + Free Shipping with Blue Nile | – | October 2025 |
| Save $50 | Save $50 on Orders Over $150 with Voucher Code at Blue Nile | BNSAVE19 | October 2025 |
| Up to 30% Off | Up to 30% Off Select Styles Bridal Event at Blue Nile | 2020SPARKLE | October 2025 |
| Up to 50% Off | Up to 50% Off Select Rings, Earrings & More at Blue Nile | – | October 2025 |
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